Atec Tektronix-WVR500 User Manual
Page 6
Specifications
WVR500 Waveform/Vector Monitor Service Manual
1–5
Table 1–1: Vertical deflection system (cont.)
Category
Description
Crosstalk Between Channels
RI:
≥
70 dB of isolation between channels. Measured at F
SC
between CH-A,
CH-B, and EXT REF inputs.
Video Out
RI:
Differential Gain (50% APL): Within 1% with a 140 IRE (1.0 V PAL) unit
display.
RI:
Differential Phase (50% APL): Within 1
°
with a 140 IRE (1.0 V PAL) unit
display.
Req: Return Loss (75
W):
≥
30 dB from 50 kHz to 6 MHz.
RI:
With the instrument turned on.
Req: Input to Video Out Gain Ratio: 1:1
±
5% @ 15 kHz.
RI:
Picture display mode.
Table 1–2: DC restoration
Category
Description
DC Restorer Clamp Time
RI:
Back Porch.
Frequency Response at 60 Hz (50 Hz PAL)
Req: Attenuation of 60 Hz (50 Hz PAL) on Input signal:
Slow Mode –
≤
20%.
Fast Mode –
≥
90%.
Req: Blanking Level Shift with 10% to 90% APL Change: APL changes from 50% to
either 10% or 90% will cause blanking level shift of 1 IRE unit (7.14 mV PAL) or
less.
Req: Blanking Level Shift Due to Presence or Absence of Burst: 1 IRE unit (7.14 mV
PAL) or less shift from no color burst to presence of color burst.
Table 1–3: Horizontal deflection system
Category
Description
Sweep
Req: Sweep will occur in all Horizontal mode settings with or without synchronization.
2 FLD Sweep Repetition Rate
RI:
Displays 2 full fields, including the field rate sync between them.
2 FLD Sweep Magnification
RI:
Approximately X20.
1 LINE Sweep Repetition Rate
Req: Equal to the line-rate of applied video or external sync.
2 LINE Sweep Repetition Rate
Req: Equal to half the line-rate of applied video or external sync.
Sweep Length
RI:
2 LINE and 2 FLD sweep length is nominally 12.5 divisions.